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1 | // Created on: 2016-04-19 |
2 | // Copyright (c) 2016 OPEN CASCADE SAS |
3 | // Created by: Oleg AGASHIN |
4 | // |
5 | // This file is part of Open CASCADE Technology software library. |
6 | // |
7 | // This library is free software; you can redistribute it and/or modify it under |
8 | // the terms of the GNU Lesser General Public License version 2.1 as published |
9 | // by the Free Software Foundation, with special exception defined in the file |
10 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
11 | // distribution for complete text of the license and disclaimer of any warranty. |
12 | // |
13 | // Alternatively, this file may be used under the terms of Open CASCADE |
14 | // commercial license or contractual agreement. |
15 | |
16 | #include <BRepMesh_FaceDiscret.hxx> |
17 | #include <IMeshData_Model.hxx> |
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18 | #include <IMeshData_Wire.hxx> |
19 | #include <IMeshData_Edge.hxx> |
20 | #include <IMeshTools_MeshAlgo.hxx> |
21 | #include <OSD_Parallel.hxx> |
22 | |
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23 | IMPLEMENT_STANDARD_RTTIEXT(BRepMesh_FaceDiscret, IMeshTools_ModelAlgo) |
24 | |
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25 | //======================================================================= |
26 | // Function: Constructor |
27 | // Purpose : |
28 | //======================================================================= |
29 | BRepMesh_FaceDiscret::BRepMesh_FaceDiscret( |
30 | const Handle(IMeshTools_MeshAlgoFactory)& theAlgoFactory) |
31 | : myAlgoFactory(theAlgoFactory) |
32 | { |
33 | } |
34 | |
35 | //======================================================================= |
36 | // Function: Destructor |
37 | // Purpose : |
38 | //======================================================================= |
39 | BRepMesh_FaceDiscret::~BRepMesh_FaceDiscret() |
40 | { |
41 | } |
42 | |
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43 | //! Auxiliary functor for parallel processing of Faces. |
44 | class BRepMesh_FaceDiscret::FaceListFunctor |
45 | { |
46 | public: |
47 | FaceListFunctor (BRepMesh_FaceDiscret* theAlgo, |
48 | const Message_ProgressRange& theRange) |
49 | : myAlgo (theAlgo), |
50 | myScope (theRange, "Face Discret", theAlgo->myModel->FacesNb()) |
51 | { |
52 | myRanges.reserve (theAlgo->myModel->FacesNb()); |
53 | for (Standard_Integer aFaceIter = 0; aFaceIter < theAlgo->myModel->FacesNb(); ++aFaceIter) |
54 | { |
55 | myRanges.push_back (myScope.Next()); |
56 | } |
57 | } |
58 | |
59 | void operator() (const Standard_Integer theFaceIndex) const |
60 | { |
61 | if (!myScope.More()) |
62 | { |
63 | return; |
64 | } |
65 | Message_ProgressScope aFaceScope(myRanges[theFaceIndex], NULL, 1); |
66 | myAlgo->process(theFaceIndex, aFaceScope.Next()); |
67 | } |
68 | |
69 | private: |
70 | mutable BRepMesh_FaceDiscret* myAlgo; |
71 | Message_ProgressScope myScope; |
72 | std::vector<Message_ProgressRange> myRanges; |
73 | }; |
74 | |
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75 | //======================================================================= |
76 | // Function: Perform |
77 | // Purpose : |
78 | //======================================================================= |
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79 | Standard_Boolean BRepMesh_FaceDiscret::performInternal( |
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80 | const Handle(IMeshData_Model)& theModel, |
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81 | const IMeshTools_Parameters& theParameters, |
82 | const Message_ProgressRange& theRange) |
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83 | { |
84 | myModel = theModel; |
85 | myParameters = theParameters; |
86 | if (myModel.IsNull()) |
87 | { |
88 | return Standard_False; |
89 | } |
90 | |
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91 | FaceListFunctor aFunctor(this, theRange); |
92 | OSD_Parallel::For(0, myModel->FacesNb(), aFunctor, !(myParameters.InParallel && myModel->FacesNb() > 1)); |
93 | if (!theRange.More()) |
94 | { |
95 | return Standard_False; |
96 | } |
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97 | |
98 | myModel.Nullify(); // Do not hold link to model. |
99 | return Standard_True; |
100 | } |
101 | |
102 | //======================================================================= |
103 | // Function: process |
104 | // Purpose : |
105 | //======================================================================= |
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106 | void BRepMesh_FaceDiscret::process(const Standard_Integer theFaceIndex, |
107 | const Message_ProgressRange& theRange) const |
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108 | { |
109 | const IMeshData::IFaceHandle& aDFace = myModel->GetFace(theFaceIndex); |
110 | if (aDFace->IsSet(IMeshData_Failure) || |
111 | aDFace->IsSet(IMeshData_Reused)) |
112 | { |
113 | return; |
114 | } |
115 | |
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116 | try |
117 | { |
118 | OCC_CATCH_SIGNALS |
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119 | |
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120 | Handle(IMeshTools_MeshAlgo) aMeshingAlgo = |
121 | myAlgoFactory->GetAlgo(aDFace->GetSurface()->GetType(), myParameters); |
122 | |
123 | if (aMeshingAlgo.IsNull()) |
124 | { |
125 | aDFace->SetStatus(IMeshData_Failure); |
126 | return; |
127 | } |
128 | |
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129 | if (!theRange.More()) |
130 | { |
131 | aDFace->SetStatus (IMeshData_UserBreak); |
132 | return; |
133 | } |
134 | aMeshingAlgo->Perform(aDFace, myParameters, theRange); |
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135 | } |
136 | catch (Standard_Failure const&) |
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137 | { |
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138 | aDFace->SetStatus (IMeshData_Failure); |
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139 | } |
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140 | } |